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Support mixed topology meshes

enhancementNew feature or requestNew feature or request

high-priority

in progress

proposalSuggested change or additionSuggested change or addition

Status: Open.

Feature

#6 In FEniCS/dolfinx;

· garth-wells opened on Apr 10, 2018

Use bitset in VTKHDF read mesh, removing MPI_Allgatherv call.

performance

Status: Draft (not ready).

FEniCS/dolfinxnumber 3764

#3764 In FEniCS/dolfinx;

· chrisrichardson opened on Jun 24, 2025

Remove <code>MPI_All_foo</code> calls in <code>VTKHDF5.h</code>

high-priority

Status: Open.

Task

#3701 In FEniCS/dolfinx;

· garth-wells opened on Apr 12, 2025

Make HDF5 optional

buildBuild system and compiler issuesBuild system and compiler issues

Status: Open.

Task

#3675 In FEniCS/dolfinx;

· chrisrichardson opened on Mar 27, 2025

Inconsistent Lagrange element type for coordinates at higher degrees

proposalSuggested change or additionSuggested change or addition

Status: Open.

Bug

#3634 In FEniCS/dolfinx;

· garth-wells opened on Feb 15, 2025

Generate Python type stubs using nanobind (v2)

enhancementNew feature or requestNew feature or request

good first issueGood for newcomersGood for newcomers

nanobindIssues related to nanobindingsIssues related to nanobindings

type-hints

Status: Open.

Task

#3238 In FEniCS/dolfinx;

· garth-wells opened on May 31, 2024

Rename <code>CellType.prism</code>

enhancementNew feature or requestNew feature or request

suggestion

Status: Open.

Task

#3387 In FEniCS/dolfinx;

· jorgensd opened on Sep 11, 2024

Add assembly features to support <code>MatrixCSR</code>

enhancementNew feature or requestNew feature or request

Status: Open.

#2023 In FEniCS/dolfinx;

· garth-wells opened on Feb 19, 2022

Rewrite FindUFCx.cmake

enhancementNew feature or requestNew feature or request

Status: Open.

Task

#2855 In FEniCS/dolfinx;

· jhale opened on Nov 2, 2023

Set local matrix diagonal without parallel communication

enhancementNew feature or requestNew feature or request

performance

Status: Open.

#1498 In FEniCS/dolfinx;

· garth-wells opened on Apr 18, 2021

Add memory checks to CI (valgrind)

testingTest system issuesTest system issues

Status: Open.

#1355 In FEniCS/dolfinx;

· garth-wells opened on Jan 24, 2021

Add further support to VTKHDF format

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#3673 In FEniCS/dolfinx;

· chrisrichardson opened on Mar 27, 2025

Support refinement of 1D meshes (non-uniform) and quadrilateral/hexahedral cell meshes (uniform).

enhancementNew feature or requestNew feature or request

high-priority

Status: Open.

#3006 In FEniCS/dolfinx;

· jorgensd opened on Jan 21, 2024

Add function that provides a summary fo mesh memory usage

enhancementNew feature or requestNew feature or request

proposalSuggested change or additionSuggested change or addition

Status: Open.

#1741 In FEniCS/dolfinx;

· garth-wells opened on Oct 5, 2021

Add more fine-grained control over communication when zeroing matrix rows

performance

Status: Open.

#1418 In FEniCS/dolfinx;

· garth-wells opened on Feb 17, 2021

Support periodic meshes via mesh topology/geometry

enhancementNew feature or requestNew feature or request

Status: Open.

#18 In FEniCS/dolfinx;

· garth-wells opened on Apr 10, 2018

Support for real forms with complex arithmetic

enhancementNew feature or requestNew feature or request

Status: Open.

Feature

#3880 In FEniCS/dolfinx;

· jsagg931 opened on Aug 26, 2025